\".    Part of liwc, a collection of tools for manipulating C source code
\".    Copyright (c) 1994-2003 Lars Wirzenius
\".
\".    This program is free software; you can redistribute it and/or modify
\".    it under the terms of the GNU General Public License, version 2, as 
\".    published by the Free Software Foundation.
\".
\".    This program is distributed in the hope that it will be useful,
\".    but WITHOUT ANY WARRANTY; without even the implied warranty of
\".    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
\".    GNU General Public License for more details.
\".
\".    You should have received a copy of the GNU General Public License along
\".    with this program; if not, write to the Free Software Foundation, Inc.,
\".    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
.TH ENTRIGRAPH 1
.SH NAME
entrigraph \- convert C source code to use trigraphs
.SH SYNOPSIS
entrigraph [file ...]
.SH "DESCRIPTION"
This program converts a C program to use trigraphs.
A trigraph is a three character sequence that encodes a single character.
A trigraph begins with two question marks.
The third character is `/' (the trigraph means `\\'), '(' (`['),  ')' (`]'),  '<' (`{'),  '>' (`}'),  '!' (`|'),  ''' (`^'),  '-' (`~'),  '=' (`/'), or '/' (`\\').
.SH "SEE ALSO"
untrigraph(1)
.SH AUTHOR
Lars Wirzenius, liw@iki.fi.
